000018631 001__ 18631 000018631 0248_ $$aoai:doc.rero.ch:18631$$zcdu34$$zthesis_urn$$zreport$$zthesis$$zbook$$zjournal$$zcdu16$$zpostprint$$zpreprint$$zcdu1$$zdissertation 000018631 980__ $$cDELETED
000018631 001__ 18631 000018631 0248_ $$aoai:doc.rero.ch:18631$$zcdu34$$zthesis_urn$$zreport$$zthesis$$zbook$$zjournal$$zcdu16$$zpostprint$$zpreprint$$zcdu1$$zdissertation 000018631 980__ $$cDELETED